Rescue operation continues at collapsed mine in Pingyi, China (4)

LINYI, Jan. 6, 2016 -- Rescuers work at a collapsed mine in Pingyi County, east China's Shandong Province, Jan. 6, 2016. Rescuers managed to dig more than 200 meters down into the shaft of the collapsed mine on Monday, but found no new survivors. A collapse at the gypsum mine in Pingyi County trapped 29 miners working underground on Dec. 25, 2015. Life detection equipment, dropped down via the No.6 hole, found no signs of missing people other than four they had previously contacted. (Xinhua/Guo Xulei)